Quick answers
- Does Marina Affi Koprowski accept Medicare assignment?
- Yes. Medicare's clinician data says Marina Affi Koprowski accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Marina Affi Koprowski see?
- In 2024, CMS data shows 73 Original Medicare patients and 135 services for Marina Affi Koprowski. This counts Original Medicare only and measures volume, not quality.
- What is Marina Affi Koprowski's NPI number?
- 1275065575. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marina Affi Koprowski, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 73 |
|---|---|
| Services billed to Medicare | 135 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)18 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)17 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)16 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol74%
- High blood pressure73%
- Arthritis49%
- Diabetes30%
- Anxiety30%
- Atrial fibrillation30%
Hospitals where Marina Affi Koprowski works
Medicare's Facility Affiliation Data lists Marina Affi Koprowski at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Community Memorial HospitalMenomonee Falls, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520103
- Froedtert Community HospitalNew Berlin, WI · Acute Care Hospital · Emergency services: listed by Medicare · CCN 520213
- St Josephs Community Hospital West BendWest Bend, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520063
Practice locations
Addresses where Marina Affi Koprowski is enrolled with Medicare (CMS data updated October 2, 2026).
- W180n8085 Town Hall Rd, Fl 3Menomonee Falls, WI 53051 (262) 251‑1000
Group practices
Medicare enrollment lists Marina Affi Koprowski as a member of this group (CMS data updated October 2, 2026).
- Froedtert Andthe Medical College of Wisconsin Community Physicians Inc1,285 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Menomonee Falls
Clinicians with the same Medicare primary specialty in Menomonee Falls, WI — not a recommendation.
Other clinicians in Froedtert Andthe Medical College of Wisconsin Community Physicians Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275065575 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians